/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendDocumentBuilder.h
struct FModifyInterfaceOptions
bool
bSetDefaultNodeLocations
TArray<FMetaso...
InterfacesToAdd
TArray<FMetaso...
InterfacesToRemove
TFunction< bool...
NamePairingFunction
And new member of an added interface are considered equal and to be swapped, retaining preexisting connections (and locations if in editor and 'SetDefaultNodeLocations' option is set)